iKross Wireless Bluetooth 4.0 Stereo headphone Headset with Microphone for Samsung, Apple iPhone, iPad, LG, Nokia, Motorola Smartphone Tablet and more (Black) Wireless Bluetooth 4.0 chipset delivers highest quality stereo audio wirelessly. Supports full hands-free calling features with built-in CVC 6.0 echo cancellation and DSP noise reduction. Support Profiles: A2DP1.2, AVRCP1.4, HSP1.2, HFP1.6. Compact and light weight Design Exceptional battery life offers up to 12 hours of talk time or music playback and 20 days of standby time.